No problem, we've got 4678 and 8135 to multiply
4678 × 8135 = 8135 × (4678)
+ 8135 × 8 what gives us 65080
+ 8135 × 70 which equals 569450
+ 8135 × 600 which equals 4881000
+ 8135 × 4000 what gives us 32540000

= 38055530
